second-channel
| frequency
| Second Channel | |
| ed. | segunda vía |
| second channel | |
| gen. | canal secundario |
| Frequency | |
| pharma. | Frecuencia |
| frequency | |
| gen. | frecuencia |
| comp., MS | frecuencia |
| ecol. | frecuencia |
| forestr. | frequencia |
| nat.sc. life.sc. agric. | constancia |
| |||
| canal secundario | |||
| canal imagen; canal conjugado | |||
| |||
| segunda vía | |||
|
second-channel : 4 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 2 |
| Radio | 1 |